. >> reporter: of course, the question will be how far the obama administrationing is willing to go -- administration is willing to go. that will be determined over the next four years, and certainly iran and its nuclear issues, its nuclear ambitions will be one of the big subjects on the agenda in terms of foreign policy over the next four years. uma: we saw lots of fireworks yesterday with benghazi, any today so far in this confirmation hearing? >> reporter: you know, not so much. senator marco rubio rattled off a bunch of the hot spots in the world and talked about a lot of the problems facing the u.s. in terms of foreign policy but wasn't so much eventing on senator kerry, he was just essentially trying to lead in terms of saying the way forward on these issues, what are we going to do? the tone was pretty much set by arizona senator john mccain. >> should he be confirmed, and i'm confident he will be, i'm sure we will have our disagreements which i know neither of us will hesitate to bring to the other's attention. but i know he will acquit himself in that office with distinction